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Hydraulic compression for high capacity hydrogen refuelling station Demonstration

Project description

Innovative compression concept for large vehicle refuelling

The H2Ref project developed a disruptive compression technology and validated it for 70 MPa refuelling of light-duty passenger vehicles. The EU-funded H2REF-DEMO project will further develop and scale up by a factor of five the innovative compression concept developed in H2REF. It will address large-vehicle refuelling applications requiring hydrogen dispensed at rates of hundreds of kilograms per hour, such as bus fleet, truck and train refuelling. H2REF-DEMO will demonstrate the process for 1 year for commercial 35 MPa truck refuelling, develop a digital twin of the scaled-up process to achieve full optimisation, use accumulators with shells in hoop-wrapped steel (Type II) to reduce costs, and verify durability over the full range of operating conditions.

Objective

H2REF-DEMO aims to further develop and scale up by a factor of 5 the innovative compression concept developed in H2REF, in order to address large vehicle refuelling applications requiring hydrogen to be dispensed at rates of hundreds of kg/h, such as bus fleet refuelling every evening at the bus depot, truck refuelling, and train refuelling. Thanks to demonstrating the process during one year for commercial 35 MPa refuelling of trucks, the project will bring to TRL7 the disruptive compression technology previously developed in the H2REF project and already validated for 70 MPa refuelling of light duty vehicles.
Along with capacity scale-up, H2REF DEMO will focus on process optimisation, cost reduction and further durability testing, Full optimisation will be achieved by first developing a digital twin of the scaled-up process. Use of accumulators with shells in hoop wrapped steel (Type II), a suitable technology for 35 MPa refuelling, will allow to optimise costs. A thorough accelerated testing approach involving at least 500 hours of continuous operation, will allow to verify durability of the accumulators and the compression stages over the full range of operating conditions.
The demonstrated system is expected to provide a peak dispensing capacity of 150 kg/h, amounting to 1200 kg/d with 8 hours of daily operation, with a targeted cost of 1200 €/(kg/d). The process is expected to reduce electricity consumption to 3.5 kWh/kg of dispensed hydrogen, from production on site at 2 MPa to vehicle tank at 42 MPa.
The knowledge gained will allow subsequent development to focus on commercial product development for short term commercial deployment.
A multi-disciplinary team, composed of 4 industrial companies and 3 RTOs, combining expertise in hydraulic power supply, in bladder accumulator, in process simulation, modelling process digital twins, in H2 refuelling and distribution stations is gathered in the consortium to reach the targeted KPIs of H2REF-DEMO.

Coordinator

CENTRE TECHNIQUE DES INDUSTRIES MECANIQUES
Net EU contribution
€ 1 453 437,50
Address
AVENUE FELIX LOUAT 52
60304 Senlis Cedex
France

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Region
Hauts-de-France Picardie Oise
Activity type
Research Organisations
Links
Total cost
€ 1 735 937,50

Participants (6)